Run Hot, Party Cool. 7.19.17. Whether youâre a dedicated runner or just someone who jogs from the couch to the fridge, the Twin Cities Orthopedics Torchlight 5K in Minneapolis is fun for everyone! Grab your family, friends and running shoes because this event starts with a bang and ends with a brew.
Dependent variables. Controlled variables. A variable is part of an experiment that can change, such as amount of light, temperature, humidity, time changes, or plant growth. In an experiment, an independent variable is a variable that either changes on its own, or you purposely change it.
In this lesson, you will learn the definition of variables in science. In addition, you will be able to define the specific types of variables in an experiment. In science, a variable is any item, factor, or condition that can be controlled or changed. There are three types of variables in scientific experiments, but we will define them later in the lesson. First, let's discuss why scientists use experiments.